From 3f12a3221f4b752a93dc4bb3780708b0201ddd6e Mon Sep 17 00:00:00 2001
From: Marius Gavrilescu <marius@ieval.ro>
Date: Sat, 1 Aug 2015 18:46:36 +0300
Subject: [PATCH] Simplify code

---
 lib/App/MusicExpo.pm | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/lib/App/MusicExpo.pm b/lib/App/MusicExpo.pm
index 3bdef01..a55b53c 100644
--- a/lib/App/MusicExpo.pm
+++ b/lib/App/MusicExpo.pm
@@ -119,6 +119,16 @@ sub mp4info{
 	};
 }
 
+my %info = (
+	'.flac' => \&flacinfo,
+	'.mp3' => \&mp3info,
+	'.ogg' => \&vorbisinfo,
+	'.oga' => \&vorbisinfo,
+	'.mp4' => \&mp4info,
+	'.aac' => \&mp4info,
+	'.m4a' => \&mp4info,
+);
+
 sub normalizer{
 	"$_[0]|".(stat $_[0])[9]
 }
@@ -126,22 +136,17 @@ sub normalizer{
 sub make_fragment{ join '-', map { lc =~ y/a-z0-9/_/csr } @_ }
 
 sub run {
+	my %info = %info;
 	if ($cache) {
 		tie my %cache, 'DB_File', $cache, O_RDWR|O_CREAT, 0644;
-		memoize $_, NORMALIZER => \&normalizer, LIST_CACHE => 'MERGE', SCALAR_CACHE => [HASH => \%cache] for qw/flacinfo mp3info vorbisinfo mp4info/;
+		$info{$_} = memoize $info{$_}, INSTALL => undef, NORMALIZER => \&normalizer, LIST_CACHE => 'FAULT', SCALAR_CACHE => [HASH => \%cache] for keys %info;
 	}
 
 	my %files;
 	for my $file (@ARGV) {
-		my $info;
-		$info = thaw scalar flacinfo $file if $file =~ /\.flac$/i;
-		$info = thaw scalar mp3info $file if $file =~ /\.mp3$/i;
-		$info = thaw scalar vorbisinfo $file if $file =~ /\.og(?:g|a)$/i;
-		$info = thaw scalar mp4info $file if $file =~ /\.mp4|\.aac|\.m4a$/i;
-		next unless defined $info;
-		my $basename = fileparse $file, '.flac', '.mp3', '.ogg', '.oga', '.mp4', '.aac', '.m4a';
+		my ($basename, undef, $suffix) = fileparse $file, keys %info;
 		$files{$basename} //= [];
-		push @{$files{$basename}}, $info;
+		push @{$files{$basename}}, thaw scalar $info{$suffix}->($file);
 	}
 
 	my $ht=HTML::Template::Compiled->new(
-- 
2.30.2